2193920

素因数分解:

$2^9\times 5^1\times {\mathrm{857}}^1$

素因数の和:880

約数の個数: 40

約数和(自身を含む): 5266404

約数和(自身を除く): 3072484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 857, 1280, 1714, 2560, 3428, 4285, 6856, 8570, 13712, 17140, 27424, 34280, 54848, 68560, 109696, 137120, 219392, 274240, 438784, 548480, 1096960, 2193920]

約数ペア:

[(1, 2193920), (2, 1096960), (4, 548480), (5, 438784), (8, 274240), (10, 219392), (16, 137120), (20, 109696), (32, 68560), (40, 54848), (64, 34280), (80, 27424), (128, 17140), (160, 13712), (256, 8570), (320, 6856), (512, 4285), (640, 3428), (857, 2560), (1280, 1714)]